Answer
$-5y+2z=2$
Work Step by Step
$x+2y-z=0$
$x+2y-z=0$
$-3*(x+2y-z=0)$
$-3x-6y+3z=0$
$-3x-6y+3z+(3x+y-z)=0+2$
$-3x-6y+3z+3x+y-z=2$
$-5y+2z=2$
Algebra: A Combined Approach (4th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321726391
ISBN 13:
978-0-32172-639-1
Chapter 9 - Section 9.1 - Solving Systems of Linear Equations in Three Variables and Problem Solving - Exercise Set - Page 640: 45
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